span {
	display: block;
}

#parent {
	width: 370px;
	height: 20px;
}

#son {
	width: 0;
	height: 20px;
	line-height: 20px;
	background-color: #ff6600;
	text-align: center;
	font-size: 14px;
}


/*上传文件*/

.uploadfile {
	display: block;
	overflow: hidden;
	text-align: left;
}

.uploadfile div {
	display: block;
	overflow: hidden;
	margin: 7px 10px;
}